I posted this in the lawn care forum with out any replies. Maybe someone here has some suggestions. overseeding problem I have a customer that over fertilized their lawn in june and their lawn started dieing off in a couple of days. Thinking about overseeding using a areo-vator or might just redoe completely. The problem I am having concerns the soil test. Soil testcalls for 118lbs lime per 1000sqft and the phosphorous levels are high off the top of the scale. Nitrogen 4 lbs and potash at 2 lbs per 1000sqft. I plan on putting 50 lbs lime per 1000 when I seed but aint sure what to do about the phosphorus. Area is about 10,000 sqft. Would tilling soil help with the high phos levels. If so I will do a complete redo but, if not I will try the areo-vator and overseed. Any suggestions are apprecated. other info: 1. customer lawn was fescue/ryegrass 2. customer applied 320 lbs of 10/10/10 fertilizer first of june on area aprox 10,000 sqft 3.Custome had severe grub infestation and applies seven dust and waters in. seemed to kill gruds as they came to the top of the ground and died everywhere. 4. Soiltest says to add no phos. to soil. shows the levels to be very high off the scale. 5. options are 1. power rake lawn and hydroseed using nitrogen only fert. or 2. aerovate and broadcast seed then spray with nitrogen fert. Question is will power rakeing lawn stir up enough soil to help phous levels or will I get same results using areovator? Or am I concerned over something that will take care of itself once the grass gets to growing and uses up the phosphorous?